Gitanjali Chemicals Pvt. Ltd. Supplies Ortho Phthalaldehyde Aldehyde Derivatives. The three factories of Gitanjali Chemicals Pvt. Ltd. Is an ISO 9001-2000 and ISO 14001-2004 certified. Gitanjali Chemicals Pvt. Ltd. Supplies specialty organic chemicals. Ortho Phthalaldehyde Aldehyde Derivatives appears in yellow crystalline solid form. Ortho Phthalaldehyde Aldehyde Derivatives has been available in 50 kg in plastic drum. The melting point of this chemical is 56-58 degree centigrade. Its molecular weight is 134.